<tr>
	<% if chatroom.scope == 0 %>
		<td></td>
		<td><%= link_to_remote chatroom.name, :url => {:controller => "chatroom", :action => "join_private", :id => chatroom.id} %></td>
		<td><%= chatroom.users.size %></td>
	<% else %>
		<td><%= image_tag "go.gif" %></td>
		<td><%= link_to chatroom.name, :controller => 'chatroom', :action => "join", :id => chatroom.id %></td>
		<td><%= chatroom.users.size %></td>
	<% end %>
</tr>